The picture shows rays passing through an unknown lens.

Physics

2 answers:

NeX [460]2 years ago

7 0

it id D because it is directed at the middle of the lens so it will be the same

lesya692 [45]2 years ago

7 0

The center point of a lens is called its optical center. According to convention, when the ray of light is parallel to the principal axis, it will pass through the focus and vice versa. Also, when the ray passes through the optical center it will go undeviated.

A ray of light when passes through the optical center of any lens will emerge without any deviation. In case of concave lens, ray D will emerge out.

Similarly, in case of convex lens ray D will emerge out.

So, in either type of lens ray D will emerge out.

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All else equal, the payback period for a project will decrease whenever the_______.

telo118 [61]

Answer:

(B) cash inflows are moved earlier in time.

Explanation:

The payback period stated time-frame during which the initial amount of investment should be recovered. It is expressed in the year form

The formula to compute the payback period is shown below:

Payback period = Initial investment ÷ Net cash flow

where,

The net cash flow = annual net operating income + depreciation expenses

The payback period of the project decreases when the accumulated starting year cash flows increases that results the movement of the cash inflows earlier in time

3 0

2 years ago

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One example of a physical change is

ycow [4]

Answer:

Mixing a milkshake

Explanation:

Becuse it’s physics becuse your using muscle and moving it and changing it by force.

7 0

3 years ago

George is applying a downward force of 50N to and object that has a mass of 50kg. What is the normal force (FN) of the object wh

attashe74 [19]

The normal force acting on the object is 500 N in the upward direction

<u>Explanation:</u>

As George is applying a downward force, the normal force will be in the upward direction. The normal force will be exerted due to the acceleration due to gravity exerted on the object.

So, as per Newton's second law, the normal force acting on the object can be measured by the product of mass of the object and the acceleration due to gravity acting on the object.

But as the acceleration due to gravity is a downward acting acceleration and the normal force is a upward acting force, so the acceleration will be having a negative sign in the formula.

$Normal\ force = Mass \times Acceleration\ due\ to\ gravity$